Answer: fighting in the Southern colonies raged through the entire war and was an area of great concern for both sides. In the final years of the war, following the fall of Charleston to the British in May 1780, the South became the principal theater of the Revolutionary War
Explanation:
The Afghans are not willing to let there country be occupied by anyone not Afghan plus they had American support
Railroads displaced older forms of transportation because it was much more efficient, it was faster, & it could carry a lot more, and go farther than most animals. (that time there were no well-functioning cars).
Internet displaced communication, because it was faster (well sometimes), and allowed you to access a lot more at once. The internet allowed people to talk without facing each other (or having to physically go to a phone or anything else) & gave people access to millions of resources and information that is found all around the world
hope this helps
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<em>Answer: A. cotton thread</em>